﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace EMR.SpecialPage
{
    [ToolboxItem(true)] 
    public class TextBoxUC : System.Windows.Forms.TextBox
    {

        public TextBoxUC()
         {
             this.BorderStyle = BorderStyle.None;
             // BackColor也可以自己设置
             this.BackColor = SystemColors.Control;
         }
        private int PWM_PAINT = 0x000F;
        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);

            if (m.Msg == PWM_PAINT)
            {
                Pen pen = new Pen(Brushes.Black, 1.5f);
                using (Graphics g = this.CreateGraphics())
                {
                    g.DrawLine(pen, new Point(0, this.Size.Height - 1), new Point(this.Size.Width, this.Size.Height - 1));
                }
            }
        }

    } 


}
